VPN

Make sure you purchase a VPN if you would like to access GMail & Facebook from China.
Several people have used Astrill successfully

Beijing

The Great Wall at Mutianyu - About two hours outside of the city. Ski lift up to the wall & toboggan ride down.

Shanghai

Make sure you download the iPod app Hi Shanghai. You find the place you want to go & the app gives directions in Chinese.

Xi'an

Xiangzimen International Youth Hostel Inexpensive & clean. $5 American breakfast. Katz's & Taylors have stayed there.